[SPARK-51967] Use discardableResult to prevent unnecessary warnings
#95
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What changes were proposed in this pull request?
This PR aims to use
discardableResultto prevent unnecessary warnings.Why are the changes needed?
To simplify the
Spark Connect SwiftAPI usages.For example,
count()API is used to execute an INSERT query. By addingdiscardableResult, we can make it clear that the result is discadable.Does this PR introduce any user-facing change?
This is a change to the unreleased version.
How was this patch tested?
Pass the CIs.
Was this patch authored or co-authored using generative AI tooling?
No.